Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 29

Waxing Gibbous 88%

11:55

05:38

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:46, Set: 16:39, Transit: 12:13. Moon - Rise: 11:55, Set: 05:38. Civil Dark: 17:17 - 07:09. Nautical Dark: 17:59 - 06:27. Astro Dark: 18:39 - 05:46

Total Clouds (% Sky Obscured)

80
96
100
88
89
82
85
91
90
97
91
84
76
88
90
92
100
100
82
79
79
75
96
99

Low Clouds (% Sky Obscured)

78
84
88
80
83
79
84
90
89
97
91
82
74
87
89
91
100
100
81
78
79
75
95
99

Medium Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
55
49

High Clouds (% Sky Obscured)

41
65
65
65
65
50
34
3
3
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
35
2
5
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
2
0
0
0
0
1
3
4
3
2
2
2
3
10
0
0
0
0
1
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
8
8
8
10
10
9
9
10
11
12
11
12
11
11
12
13
14
14
13
13
13
13

Chance of Frost

Temperature (°C)

2
3
4
5
4
4
4
3
3
3
4
4
4
4
4
4
4
3
3
3
3
3
2
2

Feels Like (°C)

0
-0
1
1
1
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-3
-3
-2
-2
-2
-3

Dew Point (°C)

2
2
2
2
3
3
2
2
2
2
2
1
1
1
1
1
1
1
0
0
0
0
-0
-0

Relative Humidity (%)

96
94
86
82
91
93
91
91
88
89
86
83
83
83
83
82
83
82
82
82
83
83
83
83

Pressure (mb)

999
999
999
999
999
999
999
1000
1000
1000
1000
1000
1000
999
999
998
998
998
997
997
997
997
996
996

Ozone (du)

483
479
475
472
473
474
475
476
476
473
473
464
448
429
398
389
379
379
385
385
384
384
385
384

Friday 30

Waxing Gibbous 95%

13:06

06:42

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:45, Set: 16:41, Transit: 12:13. Moon - Rise: 13:06, Set: 06:42. Civil Dark: 17:19 - 07:07. Nautical Dark: 18:00 - 06:25. Astro Dark: 18:41 - 05:45

Total Clouds (% Sky Obscured)

100
100
95
96
96
99
99
98
98
98
95
98
94
94
96
96
96
96
99
99
94
82
85
99

Low Clouds (% Sky Obscured)

100
100
79
86
73
80
87
84
81
85
82
94
88
86
92
87
90
94
87
86
74
68
69
80

Medium Clouds (% Sky Obscured)

69
87
89
90
90
96
95
95
94
93
87
58
72
43
50
58
88
88
89
95
81
52
53
76

High Clouds (% Sky Obscured)

3
0
3
3
3
3
2
2
2
2
1
0
0
4
31
50
55
41
69
59
75
55
47
92

ISS Passover

Visibility (miles)

9
9
9
9
9
5
5
6
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

5
4
7
18
40
55
56
55
44
36
37
23
9
3
8
9
16
4
7
5
7
27
54
56

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

15
16
16
17
16
16
17
17
17
17
16
14
15
16
15
15
15
16
16
15
16
16
16
17

Chance of Frost

Temperature (°C)

3
3
3
3
4
4
4
4
5
5
5
6
6
7
7
6
6
6
6
6
6
6
6
6

Feels Like (°C)

-3
-4
-4
-3
-3
-2
-2
-2
-1
-1
0
1
1
2
2
2
1
1
1
1
0
0
0
-1

Dew Point (°C)

0
1
1
1
2
3
3
3
4
4
5
5
5
5
5
5
5
5
5
4
4
4
4
4

Relative Humidity (%)

82
83
86
86
88
91
93
93
94
93
94
96
93
90
91
93
93
93
93
90
90
88
90
91

Pressure (mb)

996
995
994
994
993
993
992
992
992
992
992
991
991
990
990
989
989
989
989
989
989
989
988
988

Ozone (du)

382
385
389
391
393
397
405
414
417
412
402
397
401
399
399
401
400
401
404
409
413
418
419
418

Saturday 31

Waxing Gibbous 99%

14:33

07:25

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:43, Set: 16:43, Transit: 12:13. Moon - Rise: 14:33, Set: 07:25. Civil Dark: 17:20 - 07:06. Nautical Dark: 18:02 - 06:24. Astro Dark: 18:42 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
97
92
96
89
96
97
96
100
97
99
98
98
98
99
98
97
95
88
87
81
59

Low Clouds (% Sky Obscured)

80
95
86
93
84
90
77
86
86
82
91
90
88
88
77
88
91
96
93
90
83
78
69
51

Medium Clouds (% Sky Obscured)

99
67
55
42
82
16
15
30
94
31
31
96
78
96
91
93
95
41
34
28
20
18
14
12

High Clouds (% Sky Obscured)

62
43
26
0
0
0
0
3
3
3
60
59
4
70
65
65
60
42
12
2
2
2
0
0

ISS Passover

Visibility (miles)

9
9
9
8
3
9
9
9
9
9
9
9
9
7
9
7
9
9
7
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

40
39
45
68
61
29
15
32
39
46
37
38
46
49
47
42
53
46
40
29
31
24
19
2

Precipitation Amount (mm)

0
0
0
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
16
16
15
13
13
12
11
11
13
12
13
13
11
10
9
9
9
9
8
7
6
6

Chance of Frost

Temperature (°C)

6
6
6
6
6
7
7
6
6
6
7
7
7
8
8
8
8
7
7
7
7
6
6
6

Feels Like (°C)

-1
-1
1
1
1
2
1
2
1
1
1
2
1
2
3
4
3
3
3
3
3
3
3
3

Dew Point (°C)

5
5
5
5
5
6
5
5
5
5
5
5
6
5
6
6
6
6
6
6
6
5
5
5

Relative Humidity (%)

93
93
93
91
93
94
91
93
93
93
90
88
90
84
85
87
87
90
91
91
93
91
90
91

Pressure (mb)

988
987
987
987
986
987
988
988
989
990
991
992
993
993
994
994
995
995
996
996
996
997
997
997

Ozone (du)

420
423
424
428
429
431
432
434
433
432
434
433
430
430
432
428
426
424
416
425
455
457
466
439

Sunday 1

Full Moon 100%

16:06

07:52

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:42, Set: 16:45, Transit: 12:13. Moon - Rise: 16:06, Set: 07:52. Civil Dark: 17:22 - 07:04. Nautical Dark: 18:04 - 06:23. Astro Dark: 18:44 - 05:42

Total Clouds (% Sky Obscured)

62
82
87
92
94
96
97
98
99
98
98
98
99
82
99
100
100
100
92
83
77
76
78
82

Low Clouds (% Sky Obscured)

52
55
55
63
84
89
86
85
82
78
74
69
74
82
92
91
89
88
70
52
30
28
29
28

Medium Clouds (% Sky Obscured)

12
12
74
74
81
87
93
87
97
97
34
34
31
36
36
37
48
56
69
34
67
70
73
78

High Clouds (% Sky Obscured)

1
15
15
10
5
10
31
31
43
38
35
26
16
7
2
45
40
45
2
30
40
35
30
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
5
9
9
9
9
4
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

1
2
2
2
1
1
3
17
36
42
39
22
16
18
30
42
50
62
60
42
15
13
8
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
6
5
6
6
6
6
7
9
10
10
10
11
9
7
6
5
3
4
3
3

Chance of Frost

Temperature (°C)

5
4
4
4
4
5
5
5
5
5
6
6
7
7
7
8
7
7
6
6
6
5
5
4

Feels Like (°C)

3
2
1
1
1
1
2
1
2
2
2
2
2
3
4
3
3
3
3
4
4
3
3
3

Dew Point (°C)

4
3
4
4
4
4
4
4
4
5
5
5
5
6
5
5
5
5
5
5
5
4
4
4

Relative Humidity (%)

91
93
94
96
98
94
94
94
94
96
94
93
91
91
87
85
87
90
91
93
93
94
94
96

Pressure (mb)

998
998
998
998
998
998
998
998
999
999
999
999
999
999
998
998
998
998
998
999
999
999
999
999

Ozone (du)

420
407
405
397
393
394
393
392
384
383
385
387
384
381
381
384
382
381
380
381
380
378
382
383

Monday 2

Waning Gibbous 100%

17:37

08:11

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:40, Set: 16:47, Transit: 12:13. Moon - Rise: 17:37, Set: 08:11. Civil Dark: 17:24 - 07:03. Nautical Dark: 18:05 - 06:21. Astro Dark: 18:46 - 05:41

Total Clouds (% Sky Obscured)

80
76
74
72
69
68
72
77
86
82
75
67
69
71
76
76
80
85
86
87
88
84
79
75

Low Clouds (% Sky Obscured)

29
30
29
32
38
43
54
65
79
70
62
53
59
64
69
71
73
74
79
84
88
84
79
75

Medium Clouds (% Sky Obscured)

79
76
74
69
69
65
44
5
50
45
40
40
40
40
45
53
55
62
54
53
44
31
17
3

High Clouds (% Sky Obscured)

40
45
45
40
45
45
40
30
25
30
25
20
15
10
10
5
5
0
0
5
10
10
15
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
1
3
3
4
4
5
5
5
5
7
8
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

2
1
0
2
1
0
0
0
15
39
59
72
92
94
94
88
81
72
64
55
43
35
29
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.7
0.6
0.6
0.5
0.4
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
3
4
4
4
5
6
7
9
11
14
14
14
14
14
14
14
12
11
10
11
12

Chance of Frost

Temperature (°C)

4
3
3
3
3
2
2
2
2
3
4
5
6
6
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

2
2
1
1
-1
-1
-1
-2
-1
-1
-1
0
1
1
1
1
1
1
1
1
1
1
2
2

Dew Point (°C)

3
3
3
2
2
2
1
1
2
3
4
5
6
6
6
6
6
6
5
5
6
6
5
5

Relative Humidity (%)

94
96
96
96
96
96
94
93
98
98
98
96
96
96
94
96
96
96
96
96
96
96
94
93

Pressure (mb)

999
999
999
998
998
997
997
997
997
996
996
995
994
994
993
992
992
992
992
992
992
992
992
993

Ozone (du)

381
380
376
375
373
372
373
374
375
377
376
375
375
375
375
374
376
377
378
381
384
386
389
392

Tuesday 3

Waning Gibbous 98%

19:02

08:24

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:38, Set: 16:49, Transit: 12:13. Moon - Rise: 19:02, Set: 08:24. Civil Dark: 17:26 - 07:01. Nautical Dark: 18:07 - 06:20. Astro Dark: 18:47 - 05:40

Total Clouds (% Sky Obscured)

82
84
87
91
92
93
95
98
100
98
92
87
90
93
100
97
95
94
84
75
72
80
88
93

Low Clouds (% Sky Obscured)

81
82
85
90
86
87
94
96
99
97
92
87
90
88
80
77
72
72
68
60
56
61
76
81

Medium Clouds (% Sky Obscured)

2
1
0
6
12
22
33
41
51
45
39
33
30
26
23
21
23
30
23
27
18
26
31
36

High Clouds (% Sky Obscured)

19
13
5
6
7
8
8
8
8
34
58
81
81
82
83
74
66
59
67
68
57
56
55
54

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
10
0
0
0
0
4
7
6
6
5
4
5
4
3
6
6
2
6
5
1
4
5
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
15
16
16
16
16
15
15
15
16
16
16
16
16
17
16
14
13
13
12
11
11
11

Chance of Frost

Temperature (°C)

6
5
4
4
4
4
4
4
5
6
7
7
8
7
7
6
5
4
4
3
3
3
3
3

Feels Like (°C)

2
2
1
1
1
1
1
0
1
1
1
1
1
4
4
3
2
2
3
-1
0
1
1
1

Dew Point (°C)

4
4
3
3
3
3
3
3
3
3
4
4
4
4
4
4
3
2
2
1
2
2
2
3

Relative Humidity (%)

90
93
93
94
96
94
96
91
86
83
82
81
79
81
81
84
85
86
86
88
91
93
94
94

Pressure (mb)

993
993
993
994
994
994
994
995
995
995
995
995
995
995
995
995
995
996
996
996
996
996
996
996

Ozone (du)

394
399
404
409
410
412
414
414
414
415
416
417
418
419
419
420
422
423
425
427
429
431
436
440

Wednesday 4

Waning Gibbous 94%

20:23

08:35

Sun - Rise: 07:36, Set: 16:51, Transit: 12:14. Moon - Rise: 20:23, Set: 08:35. Civil Dark: 17:28 - 06:59. Nautical Dark: 18:09 - 06:18. Astro Dark: 18:49 - 05:38

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 29/01/26 00:31:28. Forecast: 29/01/26 to 04/02/26. Timezone: UTC+0.00